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Real-Time Meteorological Observation Network
Chicago, IL  (CHII2)  Harrison-Dever Crib, approx. 2.75 miles offshore

See Metadata File for full description of instruments and parameters, as well as site maps. See also rtmon status, webcam status
Conditions at 9:20 pm CDT on 03/28/2024 (DOY 089 02:20 GMT)
(Updated every 15 minutes)
Wind Speed:   8.4 kts   (4.3 m/s)
Max Wind Speed:   8.7 kts   (4.5 m/s)
Wind Direction:   325° (NW)
Air Temperature:   47.3 °F   (8.5 °C)
Dew Point:   29.8 °F   (-1.2 °C)
Relative Humidity:   50.3 %
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot5 Day Windrose Plot(explanation)         
Click on image to enlarge
(images updated every 30 minutes)

[Live Webcam Image from Chicago, IL Met Station Camera 1]

[Live Webcam Image from Chicago, IL Met Station Camera 2]

[Live Webcam Image from Chicago, IL Met Station Camera 3]

18-hr animations: 1  2  3
Previous 48 images (top of hour only): 1  2  3
All Images (past 10 days)

Nearby Webcams (external sites):
Webcams of Chicago courtesy of WXYZ Webcams
Loop and Lake Michigan courtesy of ABC News

---------- Previous 18 Hours (at top of hour)  [English] [Metric] ----------
YEARDOY CDT Wind
Spd
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Tmp
F
Wind
Chill
F
Dew
Pt
F
Rel
Hum
%
20240882100 8.7 9.3 10.9 316 47.7 -99.0 30.5 51.0
20240882000 8.2 8.9 12.1 292 48.2 -99.0 30.9 50.9
20240881900 9.7 11.3 13.0 301 48.6 -99.0 29.5 47.4
20240881800 12.4 14.2 15.4 296 48.7 -99.0 28.5 45.1
20240881700 17.1 19.8 19.8 266 47.8 -99.0 29.9 49.4
20240881600 11.9 15.9 22.2 251 48.0 -99.0 25.9 41.7
20240881500 17.1 20.2 22.4 262 46.6 -99.0 25.0 42.5
20240881400 15.9 20.0 24.3 254 45.0 -99.0 26.4 47.8
20240881300 10.9 13.2 23.3 253 43.9 -99.0 23.1 43.5
20240881200 13.8 19.4 20.0 256 41.9 -99.0 22.5 45.7
20240881100 10.7 12.6 19.6 250 39.6 32.2 20.6 46.2
20240881000 17.1 20.6 20.6 257 38.1 28.1 18.0 43.9
20240880900 8.9 11.1 17.9 248 36.9 29.6 19.7 49.5
20240880800 8.6 10.3 14.0 236 36.0 28.7 19.8 51.5
20240880700 6.6 10.1 13.6 245 35.2 29.0 19.4 52.2
20240880600 9.3 11.1 13.8 249 35.1 27.2 19.9 53.7
20240880500 8.6 11.5 14.2 247 34.9 27.4 20.1 54.5
20240880400 9.7 12.1 14.4 283 35.6 27.7 21.9 57.0
Note: Peak wind is max wind gust during entire hour
Note: Wind chill is set to -99 if air temp > 40 F or wind speed < 3 mph

      right arrow Click here for recent 2-minute daily data: 20240329.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2024 | Archive

The NDBC station ID for this station is: CHII2
Access current marine observations on your mobile device. See NDBC's mobile access page.
These data are also available from NDBC website and NDBC's Dial-a-Buoy Program.
See also NWS Marine Forecast for this area, and NWS Recreational Beach Forecast

Realtime Data Disclaimer
Special thanks to City of Chicago, IL / Water Department, USACE


Additional Great Lakes Meteorological Observations

» NWS, Grand Rapids Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NWS, White Lake Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NDBC Great Lakes ImageMap showing U.S. and Canadian Buoys and C-MAN Stations
» NOAA CoastWatch Great Lakes NOAAPORT Data, includes all station types
» NOAA's NowCoast: Web mapping portal to real-time coastal observations
» Winds courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» GLIN: Great Lakes Information Network


Contact:
General Information & Media Inquiries:
oar.glerl.www@noaa.gov
(734) 741-2235
Data Inquiries:
oar.glerl.data@noaa.gov